On Sat, Dec 18, 2021 at 05:10:20PM +0300, Dmitry Baryshkov wrote: > Document the PCIe DT bindings for SM8450 SoC. The PCIe IP is similar > to the one used on SM8250, however unlike SM8250, PCIe0 and PCIe1 use > different set of clocks, so two compatible entries are required. > > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > --- > .../devicetree/bindings/pci/qcom,pcie.txt | 22 ++++++++++++++++++- > 1 file changed, 21 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt > index a0ae024c2d0c..0adb56d5645e 100644 > --- a/Documentation/devicetree/bindings/pci/qcom,pcie.txt > +++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt > @@ -15,6 +15,8 @@ > - "qcom,pcie-sc8180x" for sc8180x > - "qcom,pcie-sdm845" for sdm845 > - "qcom,pcie-sm8250" for sm8250 > + - "qcom,pcie-sm8450-pcie0" for PCIe0 on sm8450 > + - "qcom,pcie-sm8450-pcie1" for PCIe1 on sm8450 What's the difference between the two? > - "qcom,pcie-ipq6018" for ipq6018 > > - reg: > @@ -169,6 +171,24 @@ > - "ddrss_sf_tbu" PCIe SF TBU clock > - "pipe" PIPE clock > > +- clock-names: > + Usage: required for sm8450-pcie0 and sm8450-pcie1 > + Value type: <stringlist> > + Definition: Should contain the following entries > + - "aux" Auxiliary clock > + - "cfg" Configuration clock > + - "bus_master" Master AXI clock > + - "bus_slave" Slave AXI clock > + - "slave_q2a" Slave Q2A clock > + - "tbu" PCIe TBU clock > + - "ddrss_sf_tbu" PCIe SF TBU clock > + - "pipe" PIPE clock > + - "pipe_mux" PIPE MUX > + - "phy_pipe" PIPE output clock > + - "ref" REFERENCE clock > + - "aggre0" Aggre NoC PCIe0 AXI clock, only for sm8450-pcie0 > + - "aggre1" Aggre NoC PCIe1 AXI clock > + > - resets: > Usage: required > Value type: <prop-encoded-array> > @@ -246,7 +266,7 @@ > - "ahb" AHB reset > > - reset-names: > - Usage: required for sc8180x, sdm845 and sm8250 > + Usage: required for sc8180x, sdm845, sm8250 and sm8450 > Value type: <stringlist> > Definition: Should contain the following entries > - "pci" PCIe core reset > -- > 2.34.1 > >
